#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
int main()
{
	int arr[100][100] = { 0 };
	int n = 0;
	scanf("%d", &n);
	for (int i = 0; i < n; i++)
	{
		for (int j = 0; j < i; j++)
		{
			if (0 == j || j == i || i < 2)
				arr[i][j] = 1;
			else
				arr[i][j] = arr[i - 1][j-1] + arr[i - 1][j ];

		}


	}

	for (int i = 0; i < n; i++)
	{
		for (int j = 0; j < i; j++)
		{
			printf("%d ", arr[i][j]);

		}
		printf("\n");

	}
	





	return 0;
}